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1、INTERNATIONAL STANDARD IS0 1207 Third edition 1992-05-l 5 Slotted cheese head screws - Product grade A Vis B m&faux B Me cylindrique fendue - Grade A Reference number IS0 1207:1992(E) IS0 1207:1992(E) Foreword IS0 (the International Organization for Standardization) is a worldwide federation of nati
2、onal standards bodies (IS0 member bodies). The work of preparing International Standards is normally carried out through IS0 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. Internat
3、ional organizations, govern- mental and non-governmental, in liaison with ISO, also take part in the work. IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical comm
4、ittees are circulated to the member bodies for voting. Publication as an Inter- national Standard requires approval by at least 75% of the member bodies casting a vote. International Standard IS0 1207 was prepared by Technical Committee ISO/TC 2, Fasteners. This third edition cancels and replaces th
5、e second edition (IS0 1207:1983), which has been technically revised. 0 IS0 1992 All rights reserved. No part of this publication may be reproduced or utlllzed in any form or by any means, electronic or mechanlcal, lncludlng photocopylng and mlcrofilm, wlthout permlsslon in wrltlng from the publishe
6、r. lnternatlonal Organization for Standardlzatlon Case Postale 56 l CH-1211 Gen&ve 20 l Switzerland Printed in Swltzerland ii -,-,- INTERNATIONAL STANDARD IS0 1207:1992(E) Slotted cheese head screws - Product grade A 1 Scope This International Standard specifies the characteristics of slotted cheese
7、 head screws of product grade A and with threads from Ml,6 to Ml0 inclusive. If, in special cases, specifications others than those listed in this International Standard are required, they should be selected from existing International Standards, for example IS0 261, IS0 888, IS0 898-1, IS0 965-2, I
8、S0 3506, IS0 4759-l. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agr
9、eements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IS0 2251983, Fasteners - Bolts, screws, studs and nu
10、ts - Symbols and designations of dimensions. IS0 261:1973, IS0 genera/ purpose metric screw threads - General p/an. IS0 888:1976, Bolts, screws and studs - Nominal lengths, and thread lengths for general purpose bolts. IS0 898-1:1988, Mechanical properties of fasteners - Part 1: Bolts, screws and st
11、uds. IS0 965-2:1980, /SO general purpose metric screw threads - Tolerances .- Part 2: Limits of sizes for general purpose bolt and nut threads - Medium quality. IS0 3269:1988, Fasteners - Acceptance inspection. IS0 3506:1979, Corrosion-resistant stainless steel fasteners - Specifications. IS0 4042:1
12、989, Threaded components - Electroplated coatings. IS0 4759-1:1978, Tolerances for fasteners - Part 1: Bolts, screws and nuts with thread diameters between 1,6 (inclusive) and 150 mm inclusive) and product grades A, B and C. IS0 6157-1:1988, Fasteners - Surface discontinuities - Part 1: Bolts, screw
13、s and studs for general requirements. IS0 6157-3:1988, Fasteners - Surface discontinuities - Part 3: Bolts, screws and studs for special requirements. IS0 8839:1986, Mechanical properties of fasteners - Bolts, screws, studs and nuts made of non-ferrous metals. IS0 8992:1986, Fasteners - General requ
14、irements for bolts, screws, studs and nuts. 1 IS0 1207:1992(E) 3 Dlmensions See figure 1 and table 1. The shank diameter is approximately equal to the pitch diameter or equal to the major thread diameter per- missible. NOTE 1 The symbols and specifications for dimensions are specified in IS0 225. -i
15、- Edge may be rounded or flat /- As-rolled end C F / Ai A t 2 cl -_- t . 5 -l-I Y.n -w -t . H 1 _-_-_.-_-.-.-.-_- - I- i 4 I- k x _ b Figure 1 2 -,-,- IS0 1201:1992(E) Table 1 Dimensions in millimetres (M3,5) ) I M4 M5 I M6 I ME I Ml0 +-I-+ 0,8 186 38 b min. I 25 25 I 25 1 25 dk nom. = max. I 390 36
16、0 I 450 I 5s WO 1 7,W 1 MO min. 1 2.88 5.82 1 6.78 1 8.28 4,l I 437 I 57 2,40 260 330 2,26 2,46 3,12 1 182 12 1,20 I,51 1,51 min. I 0.46 1.06 1.26 I 1.26 0,1 02 I 02 r t min. 081 min. 0,45 +-l+-l+ +-I-+ 2.4 W min. I 084 0,5 1 0,7 1 0,75 2,4 2,5 1 3,2 1 38 , I I,1 1,25 Approximate mass, in I 185 I,75
17、 2 llograms per 1 Ooo pieces fe = ,for information only) 7.85 kg/dms) 4 I 376 1 4,24 1 0,094 1 0,179 -G-i- 5 4,76 5,24 0,105 0,198 6 5,76 6,24 0,117 0,217 0,422 1 0,692 1 0,866 8 7,71 8,29 0,14 0,254 10 9,71 IO,29 0,163 0,291 0,482 1 0,78 1 I,08 1,47 1 2,55 12 1 11,65 1 12,35 1 0,186 1 0,329 0,542 1
18、 0,868 1 I,2 14,6 15,6 16.6 (14) 1 13,65 1 14,35 1 0,209 1 0,365 0,602 1 0,956 1 I,32 16 1 15,65 1 16,35 1 0,232 1 0,402 0,662 1 I,04 1 I,44 2,25 3,78 18 6 20 19,58 20,42 0,478 25 24,58 25,42 2,64 I 4,4 636 12,6 21,l 7,45 14,2 23,6 30 29,58 30,42 -.-mm. 35 34-5 35.5 8.25 1 15,8 1 26.1 40 1 39,5 1 40
19、,5 1 10,9 1 20,6 1 33,6 60 1 59,05 1 60,95 1 I (65) 64,05 65,95 70 69,05 70,95 (75) 74,05 75,95 80 79,05 80,95 NOTE - Popular lengths are those between the stepped, cxx I 26,8 1 43,6 I 28,3 1 46,l I 2988 1 4W tinuous, bold lines. 1) Sizes in parentheses should be avoided if possible. 2) P = pitch of
20、 the thread 3) Screws with nominal lengths above the bold dotted line are threaded UP to the head Cb = 1 -a). 3 -,-,- IS0 1207:1992(E) 4 Specifications and reference International Standards See table 2. Table 2 Material Steel Stainless steel Non-ferrous metal General requirements Thread Mechanical p
21、roperties Tolerances International Standard Tolerance International Standards Property class International Standards Product grade International Standard 4.8, 5.8 IS0 898-l IS0 8992 6g IS0 281, IS0 965-2 A2-70, A2-50 IS0 3506 A IS0 4759-l Plain * . . IS0 8839 Finish Requirements for electroplating a
22、re covered in IS0 4042. If different electroplating requirements are desired or if requirements are needed for other finishes, they should be agreed between customer and supplier, Limits for surface discontinuities are covered in IS0 6157-1 and IS0 6157-3. Acceptability Acceptance procedure is cover
23、ed In IS0 3269. 5 Designation Example for the designation of a slotted cheese head screw with thread M5, nominal length I= 20 mm and property class 4.8: Cheese head screw IS0 1207 - M5 x 20 - 4.8 4 -,-,- IS0 1207:1992(E) UDC 621.662.14.091 .I Descrtptors: fasteners, screws, slotted head screws, cheese head screws, dlmenslons, deslgnation. Price based on 4 pages -,-,-